B16 - checking the condensate trap level switch, Checking the condensate trap water level switch, Section b16 - condensate trap level switch – LAARS NeoTherm NTV (Sizes 399-850 MBTU/h) - Service Manual User Manual

Page 45: See procedure b16, Checking condensate trap level switch, Checking the condensate trap level switch

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35

Service Manual - NeoTherm 500

Checking the Condensate Trap Level Switch

24V AC present?

(switch open)

No

Yes

See Section B3 -

“Checking the Safety Chain”

Check for 24V AC across switch.

Test switch. See Section B17.

Replace if necessary.

See Section B18.

Outlet blocked?

No

Yes

Flush outlet with water.

Check for blocked or frozen condensate outlet.

B16

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NeoTherm NTH (Sizes 399-850 MBTU/h) - Service Manual

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